An enterprising man, Codrington had come to Antigua to find out if the island would support the sort of large-scale sugar cultivation that already flourished elsewhere in the Caribbean.
Today almost 100 of these picturesque stone towers remain, although they now serve as houses, bars, restaurants and shops.
Speaking at the event, Prime Minster of Antigua and Barbuda Gaston Browne noted the road rehabilitation project was part of a broader infrastructure transformation initiative.
“Modern infrastructure transforms the living environment and it brings a new sense of self-respect and certainly a sense of purpose and pride for residents.
At Betty's Hope, Codrington's original sugar estate, visitors can see a fully-restored sugar mill.
Most Antiguans are of African lineage, descendants of slaves brought to the island centuries ago to labor in the sugarcane fields.